Inside the Cave of Obscenity - Chapter Volume 1 9: Knights 4

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

I was proposed to by the Final Boss.

One night a mysterious and unexplained phenomenon occurs in the nine provinces. Five years later Chu Feng, a regular outer disciple of the Azure Dragon school, awakens one of the mysterious nine lightning beasts. And discovers an egg sealed inside him.

From there we follow Chu Feng as he crosses the continent, beating up strongest senior brothers, raiding tombs, destroying sects and of course as he conquers beauties.

Xia Ning is betrayed by her boyfriend who wants to marry another girl from a rich and powerful family.

Just when she encounters a lot of difficulties in her career and love life and feels helpless, she meets a military commander named Yi Yunrui, who is always on her side to support her and help her out of troubles.

With a good-looking face, well-shaped body, rich family background and loyalty to love, Yi Yunrui is the perfect “Mr. Right” in every girl’s dream.

The military commander claims that he has known Xia Ning for a long time, while Xia seems to know little about him.

How does Yi Yunrui know Xia Ning? What happened between the two before the story even begins? Will Xia Ning fall in love with Yi Yunrui under his unremitting efforts? Just start reading and find out.

- Description from Novelupdates